(19)

(11)

EP 2 764 178 A1

(12)

(43) Date of publication: 13.08.2014 Bulletin 2014/33 (21) Application number: 12775048.7 (22) Date of filing: 05.10.2012

(51) International Patent Classification (IPC):  E04C 5/01(2006.01) E04H 9/10(2006.01) E04C 5/06(2006.01) (86) International application number: PCT/GB2012/052481 (87) International publication number: WO 2013/050783 (11.04.2013 Gazette 2013/15)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 05.10.2011 GB 201117162 (71) Applicant: University Of Ulster County Londonderry BT52 1SA (GB)	(72) Inventor: ALI, Faris Abed Al-Hafidh Carrickfergus BT38 9EU (GB) (74) Representative: Ramsay, Laura Anne  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)